[WifiBaseTest] Do the cleanup check at the beginning

Bug: 140198350
Test: Verified the change in local run
Change-Id: I1bfdedf6815335ec6157418f47a64eee1a9c2cde
1 file changed
tree: 58f6e1e8072b60e42fb9d09a2aee72b37bf80416
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg